• WordNet 3.6
    • n numerosity a large number
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Webster's Revised Unabridged Dictionary
    • Numerosity Rhythm; harmony; flow. "The numerosity of the sentence pleased the ear."
    • Numerosity The state of being numerous; numerousness.
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Century Dictionary and Cyclopedia
    • n numerosity The state of being numerous; numerousness; large number.
    • n numerosity Harmonious flow; poetical rhythm; harmony.
    • ***
Chambers's Twentieth Century Dictionary
    • n Numerosity numerousness: harmonious flow
    • ***


Webster's Revised Unabridged Dictionary
L. numerositas,
Chambers's Twentieth Century Dictionary
Fr. nombre—L. numerus, number.


In science:

Ratanamahatana, “Fast time series classi fication using numerosity reductio n,” in Proceedings of the 23rd international conference on Machine learning.
Fast Randomized Model Generation for Shapelet-Based Time Series Classification
It turned out impossible to accompany these proofs, due to their numerosity, by the corresponding pictures.
Assembling Lie Algebras from Lieons